<!DOCTYPE html>
<meta charset="UTF-8">
<title>demos 布局</title>
<link rel="import" href="/demos/common/nav.html">

<style>
	html {
		height: 100%;
	}
	body {
		display: flex;
		height: 100%;
		margin: 0;
	}
	body > main {
		flex: 1;
		overflow: auto;
		padding: 2em;
	}
</style>

